drivers/media/usb/dvb-usb-v2/af9035.c

   1 /*
   2  * Afatech AF9035 DVB USB driver
   3  *
   4  * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
   5  * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
   6  *
   7  *    This program is free software; you can redistribute it and/or modify
   8  *    it under the terms of the GNU General Public License as published by
   9  *    the Free Software Foundation; either version 2 of the License, or
  10  *    (at your option) any later version.
  11  *
  12  *    This program is distributed in the hope that it will be useful,
  13  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *    GNU General Public License for more details.
  16  *
  17  *    You should have received a copy of the GNU General Public License along
  18  *    with this program; if not, write to the Free Software Foundation, Inc.,
  19  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "af9035.h"
  23
  24 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  25
  26 static u16 af9035_checksum(const u8 *buf, size_t len)
  27 {
  28         size_t i;
  29         u16 checksum = 0;
  30
  31         for (i = 1; i < len; i++) {
  32                 if (i % 2)
  33                         checksum += buf[i] << 8;
  34                 else
  35                         checksum += buf[i];
  36         }
  37         checksum = ~checksum;
  38
  39         return checksum;
  40 }
  41
  42 static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
  43 {
  44 #define BUF_LEN 64
  45 #define REQ_HDR_LEN 4 /* send header size */
  46 #define ACK_HDR_LEN 3 /* rece header size */
  47 #define CHECKSUM_LEN 2
  48 #define USB_TIMEOUT 2000
  49         struct state *state = d_to_priv(d);
  50         int ret, wlen, rlen;
  51         u8 buf[BUF_LEN];
  52         u16 checksum, tmp_checksum;
  53
  54         /* buffer overflow check */
  55         if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) ||
  56                         req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) {
  57                 dev_err(&d->udev->dev, "%s: too much data wlen=%d rlen=%d\n",
  58                                 __func__, req->wlen, req->rlen);
  59                 return -EINVAL;
  60         }
  61
  62         buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1;
  63         buf[1] = req->mbox;
  64         buf[2] = req->cmd;
  65         buf[3] = state->seq++;
  66         memcpy(&buf[REQ_HDR_LEN], req->wbuf, req->wlen);
  67
  68         wlen = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN;
  69         rlen = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN;
  70
  71         /* calc and add checksum */
  72         checksum = af9035_checksum(buf, buf[0] - 1);
  73         buf[buf[0] - 1] = (checksum >> 8);
  74         buf[buf[0] - 0] = (checksum & 0xff);
  75
  76         /* no ack for these packets */
  77         if (req->cmd == CMD_FW_DL)
  78                 rlen = 0;
  79
  80         ret = dvb_usbv2_generic_rw(d, buf, wlen, buf, rlen);
  81         if (ret)
  82                 goto err;
  83
  84         /* no ack for those packets */
  85         if (req->cmd == CMD_FW_DL)
  86                 goto exit;
  87
  88         /* verify checksum */
  89         checksum = af9035_checksum(buf, rlen - 2);
  90         tmp_checksum = (buf[rlen - 2] << 8) | buf[rlen - 1];
  91         if (tmp_checksum != checksum) {
  92                 dev_err(&d->udev->dev, "%s: command=%02x checksum mismatch " \
  93                                 "(%04x != %04x)\n", KBUILD_MODNAME, req->cmd,
  94                                 tmp_checksum, checksum);
  95                 ret = -EIO;
  96                 goto err;
  97         }
  98
  99         /* check status */
 100         if (buf[2]) {
 101                 dev_dbg(&d->udev->dev, "%s: command=%02x failed fw error=%d\n",
 102                                 __func__, req->cmd, buf[2]);
 103                 ret = -EIO;
 104                 goto err;
 105         }
 106
 107         /* read request, copy returned data to return buf */
 108         if (req->rlen)
 109                 memcpy(req->rbuf, &buf[ACK_HDR_LEN], req->rlen);
 110
 111 exit:
 112         return 0;
 113
 114 err:
 115         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 116
 117         return ret;
 118 }
 119
 120 /* write multiple registers */
 121 static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
 122 {
 123         u8 wbuf[6 + len];
 124         u8 mbox = (reg >> 16) & 0xff;
 125         struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL };
 126
 127         wbuf[0] = len;
 128         wbuf[1] = 2;
 129         wbuf[2] = 0;
 130         wbuf[3] = 0;
 131         wbuf[4] = (reg >> 8) & 0xff;
 132         wbuf[5] = (reg >> 0) & 0xff;
 133         memcpy(&wbuf[6], val, len);
 134
 135         return af9035_ctrl_msg(d, &req);
 136 }
 137
 138 /* read multiple registers */
 139 static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
 140 {
 141         u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff };
 142         u8 mbox = (reg >> 16) & 0xff;
 143         struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val };
 144
 145         return af9035_ctrl_msg(d, &req);
 146 }
 147
 148 /* write single register */
 149 static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val)
 150 {
 151         return af9035_wr_regs(d, reg, &val, 1);
 152 }
 153
 154 /* read single register */
 155 static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val)
 156 {
 157         return af9035_rd_regs(d, reg, val, 1);
 158 }
 159
 160 /* write single register with mask */
 161 static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val,
 162                 u8 mask)
 163 {
 164         int ret;
 165         u8 tmp;
 166
 167         /* no need for read if whole reg is written */
 168         if (mask != 0xff) {
 169                 ret = af9035_rd_regs(d, reg, &tmp, 1);
 170                 if (ret)
 171                         return ret;
 172
 173                 val &= mask;
 174                 tmp &= ~mask;
 175                 val |= tmp;
 176         }
 177
 178         return af9035_wr_regs(d, reg, &val, 1);
 179 }
 180
 181 static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
 182                 struct i2c_msg msg[], int num)
 183 {
 184         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 185         struct state *state = d_to_priv(d);
 186         int ret;
 187
 188         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 189                 return -EAGAIN;
 190
 191         /*
 192          * I2C sub header is 5 bytes long. Meaning of those bytes are:
 193          * 0: data len
 194          * 1: I2C addr << 1
 195          * 2: reg addr len
 196          *    byte 3 and 4 can be used as reg addr
 197          * 3: reg addr MSB
 198          *    used when reg addr len is set to 2
 199          * 4: reg addr LSB
 200          *    used when reg addr len is set to 1 or 2
 201          *
 202          * For the simplify we do not use register addr at all.
 203          * NOTE: As a firmware knows tuner type there is very small possibility
 204          * there could be some tuner I2C hacks done by firmware and this may
 205          * lead problems if firmware expects those bytes are used.
 206          */
 207         if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
 208                         (msg[1].flags & I2C_M_RD)) {
 209                 if (msg[0].len > 40 || msg[1].len > 40) {
 210                         /* TODO: correct limits > 40 */
 211                         ret = -EOPNOTSUPP;
 212                 } else if (msg[0].addr == state->af9033_config[0].i2c_addr) {
 213                         /* integrated demod */
 214                         u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
 215                                         msg[0].buf[2];
 216                         ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
 217                                         msg[1].len);
 218                 } else {
 219                         /* I2C */
 220                         u8 buf[5 + msg[0].len];
 221                         struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
 222                                         buf, msg[1].len, msg[1].buf };
 223                         buf[0] = msg[1].len;
 224                         buf[1] = msg[0].addr << 1;
 225                         buf[2] = 0x00; /* reg addr len */
 226                         buf[3] = 0x00; /* reg addr MSB */
 227                         buf[4] = 0x00; /* reg addr LSB */
 228                         memcpy(&buf[5], msg[0].buf, msg[0].len);
 229                         ret = af9035_ctrl_msg(d, &req);
 230                 }
 231         } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
 232                 if (msg[0].len > 40) {
 233                         /* TODO: correct limits > 40 */
 234                         ret = -EOPNOTSUPP;
 235                 } else if (msg[0].addr == state->af9033_config[0].i2c_addr) {
 236                         /* integrated demod */
 237                         u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
 238                                         msg[0].buf[2];
 239                         ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
 240                                         msg[0].len - 3);
 241                 } else {
 242                         /* I2C */
 243                         u8 buf[5 + msg[0].len];
 244                         struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf,
 245                                         0, NULL };
 246                         buf[0] = msg[0].len;
 247                         buf[1] = msg[0].addr << 1;
 248                         buf[2] = 0x00; /* reg addr len */
 249                         buf[3] = 0x00; /* reg addr MSB */
 250                         buf[4] = 0x00; /* reg addr LSB */
 251                         memcpy(&buf[5], msg[0].buf, msg[0].len);
 252                         ret = af9035_ctrl_msg(d, &req);
 253                 }
 254         } else {
 255                 /*
 256                  * We support only two kind of I2C transactions:
 257                  * 1) 1 x read + 1 x write
 258                  * 2) 1 x write
 259                  */
 260                 ret = -EOPNOTSUPP;
 261         }
 262
 263         mutex_unlock(&d->i2c_mutex);
 264
 265         if (ret < 0)
 266                 return ret;
 267         else
 268                 return num;
 269 }
 270
 271 static u32 af9035_i2c_functionality(struct i2c_adapter *adapter)
 272 {
 273         return I2C_FUNC_I2C;
 274 }
 275
 276 static struct i2c_algorithm af9035_i2c_algo = {
 277         .master_xfer = af9035_i2c_master_xfer,
 278         .functionality = af9035_i2c_functionality,
 279 };
 280
 281 static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
 282 {
 283         int ret;
 284         u8 wbuf[1] = { 1 };
 285         u8 rbuf[4];
 286         struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
 287                         sizeof(rbuf), rbuf };
 288
 289         ret = af9035_ctrl_msg(d, &req);
 290         if (ret < 0)
 291                 goto err;
 292
 293         dev_dbg(&d->udev->dev, "%s: reply=%*ph\n", __func__, 4, rbuf);
 294         if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])
 295                 ret = WARM;
 296         else
 297                 ret = COLD;
 298
 299         return ret;
 300
 301 err:
 302         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 303
 304         return ret;
 305 }
 306
 307 static int af9035_download_firmware(struct dvb_usb_device *d,
 308                 const struct firmware *fw)
 309 {
 310         int ret, i, j, len;
 311         u8 wbuf[1];
 312         u8 rbuf[4];
 313         struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
 314         struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL };
 315         struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;
 316         u8 hdr_core;
 317         u16 hdr_addr, hdr_data_len, hdr_checksum;
 318         #define MAX_DATA 58
 319         #define HDR_SIZE 7
 320
 321         /*
 322          * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info!
 323          *
 324          * byte 0: MCS 51 core
 325          *  There are two inside the AF9035 (1=Link and 2=OFDM) with separate
 326          *  address spaces
 327          * byte 1-2: Big endian destination address
 328          * byte 3-4: Big endian number of data bytes following the header
 329          * byte 5-6: Big endian header checksum, apparently ignored by the chip
 330          *  Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256)
 331          */
 332
 333         for (i = fw->size; i > HDR_SIZE;) {
 334                 hdr_core = fw->data[fw->size - i + 0];
 335                 hdr_addr = fw->data[fw->size - i + 1] << 8;
 336                 hdr_addr |= fw->data[fw->size - i + 2] << 0;
 337                 hdr_data_len = fw->data[fw->size - i + 3] << 8;
 338                 hdr_data_len |= fw->data[fw->size - i + 4] << 0;
 339                 hdr_checksum = fw->data[fw->size - i + 5] << 8;
 340                 hdr_checksum |= fw->data[fw->size - i + 6] << 0;
 341
 342                 dev_dbg(&d->udev->dev, "%s: core=%d addr=%04x data_len=%d " \
 343                                 "checksum=%04x\n", __func__, hdr_core, hdr_addr,
 344                                 hdr_data_len, hdr_checksum);
 345
 346                 if (((hdr_core != 1) && (hdr_core != 2)) ||
 347                                 (hdr_data_len > i)) {
 348                         dev_dbg(&d->udev->dev, "%s: bad firmware\n", __func__);
 349                         break;
 350                 }
 351
 352                 /* download begin packet */
 353                 req.cmd = CMD_FW_DL_BEGIN;
 354                 ret = af9035_ctrl_msg(d, &req);
 355                 if (ret < 0)
 356                         goto err;
 357
 358                 /* download firmware packet(s) */
 359                 for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) {
 360                         len = j;
 361                         if (len > MAX_DATA)
 362                                 len = MAX_DATA;
 363                         req_fw_dl.wlen = len;
 364                         req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i +
 365                                         HDR_SIZE + hdr_data_len - j];
 366                         ret = af9035_ctrl_msg(d, &req_fw_dl);
 367                         if (ret < 0)
 368                                 goto err;
 369                 }
 370
 371                 /* download end packet */
 372                 req.cmd = CMD_FW_DL_END;
 373                 ret = af9035_ctrl_msg(d, &req);
 374                 if (ret < 0)
 375                         goto err;
 376
 377                 i -= hdr_data_len + HDR_SIZE;
 378
 379                 dev_dbg(&d->udev->dev, "%s: data uploaded=%zu\n",
 380                                 __func__, fw->size - i);
 381         }
 382
 383         /* firmware loaded, request boot */
 384         req.cmd = CMD_FW_BOOT;
 385         ret = af9035_ctrl_msg(d, &req);
 386         if (ret < 0)
 387                 goto err;
 388
 389         /* ensure firmware starts */
 390         wbuf[0] = 1;
 391         ret = af9035_ctrl_msg(d, &req_fw_ver);
 392         if (ret < 0)
 393                 goto err;
 394
 395         if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
 396                 dev_err(&d->udev->dev, "%s: firmware did not run\n",
 397                                 KBUILD_MODNAME);
 398                 ret = -ENODEV;
 399                 goto err;
 400         }
 401
 402         dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",
 403                         KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
 404
 405         return 0;
 406
 407 err:
 408         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 409
 410         return ret;
 411 }
 412
 413 static int af9035_download_firmware_it9135(struct dvb_usb_device *d,
 414                 const struct firmware *fw)
 415 {
 416         int ret, i, i_prev;
 417         u8 wbuf[1];
 418         u8 rbuf[4];
 419         struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
 420         struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL };
 421         struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;
 422         #define HDR_SIZE 7
 423
 424         /*
 425          * There seems to be following firmware header. Meaning of bytes 0-3
 426          * is unknown.
 427          *
 428          * 0: 3
 429          * 1: 0, 1
 430          * 2: 0
 431          * 3: 1, 2, 3
 432          * 4: addr MSB
 433          * 5: addr LSB
 434          * 6: count of data bytes ?
 435          */
 436
 437         for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) {
 438                 if (i == fw->size ||
 439                                 (fw->data[i + 0] == 0x03 &&
 440                                 (fw->data[i + 1] == 0x00 ||
 441                                 fw->data[i + 1] == 0x01) &&
 442                                 fw->data[i + 2] == 0x00)) {
 443                         req_fw_dl.wlen = i - i_prev;
 444                         req_fw_dl.wbuf = (u8 *) &fw->data[i_prev];
 445                         i_prev = i;
 446                         ret = af9035_ctrl_msg(d, &req_fw_dl);
 447                         if (ret < 0)
 448                                 goto err;
 449
 450                         dev_dbg(&d->udev->dev, "%s: data uploaded=%d\n",
 451                                         __func__, i);
 452                 }
 453         }
 454
 455         /* firmware loaded, request boot */
 456         req.cmd = CMD_FW_BOOT;
 457         ret = af9035_ctrl_msg(d, &req);
 458         if (ret < 0)
 459                 goto err;
 460
 461         /* ensure firmware starts */
 462         wbuf[0] = 1;
 463         ret = af9035_ctrl_msg(d, &req_fw_ver);
 464         if (ret < 0)
 465                 goto err;
 466
 467         if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
 468                 dev_err(&d->udev->dev, "%s: firmware did not run\n",
 469                                 KBUILD_MODNAME);
 470                 ret = -ENODEV;
 471                 goto err;
 472         }
 473
 474         dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",
 475                         KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
 476
 477         return 0;
 478
 479 err:
 480         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 481
 482         return ret;
 483 }
 484
 485 static int af9035_read_config(struct dvb_usb_device *d)
 486 {
 487         struct state *state = d_to_priv(d);
 488         int ret, i, eeprom_shift = 0;
 489         u8 tmp;
 490         u16 tmp16;
 491
 492         /* check if there is dual tuners */
 493         ret = af9035_rd_reg(d, EEPROM_DUAL_MODE, &tmp);
 494         if (ret < 0)
 495                 goto err;
 496
 497         state->dual_mode = tmp;
 498         dev_dbg(&d->udev->dev, "%s: dual mode=%d\n",
 499                         __func__, state->dual_mode);
 500
 501         for (i = 0; i < state->dual_mode + 1; i++) {
 502                 /* tuner */
 503                 ret = af9035_rd_reg(d, EEPROM_1_TUNER_ID + eeprom_shift, &tmp);
 504                 if (ret < 0)
 505                         goto err;
 506
 507                 state->af9033_config[i].tuner = tmp;
 508                 dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
 509                                 __func__, i, tmp);
 510
 511                 switch (tmp) {
 512                 case AF9033_TUNER_TUA9001:
 513                 case AF9033_TUNER_FC0011:
 514                 case AF9033_TUNER_MXL5007T:
 515                 case AF9033_TUNER_TDA18218:
 516                 case AF9033_TUNER_FC2580:
 517                         state->af9033_config[i].spec_inv = 1;
 518                         break;
 519                 default:
 520                         dev_warn(&d->udev->dev, "%s: tuner id=%02x not " \
 521                                         "supported, please report!",
 522                                         KBUILD_MODNAME, tmp);
 523                 }
 524
 525                 /* tuner IF frequency */
 526                 ret = af9035_rd_reg(d, EEPROM_1_IFFREQ_L + eeprom_shift, &tmp);
 527                 if (ret < 0)
 528                         goto err;
 529
 530                 tmp16 = tmp;
 531
 532                 ret = af9035_rd_reg(d, EEPROM_1_IFFREQ_H + eeprom_shift, &tmp);
 533                 if (ret < 0)
 534                         goto err;
 535
 536                 tmp16 |= tmp << 8;
 537
 538                 dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16);
 539
 540                 eeprom_shift = 0x10; /* shift for the 2nd tuner params */
 541         }
 542
 543         /* get demod clock */
 544         ret = af9035_rd_reg(d, 0x00d800, &tmp);
 545         if (ret < 0)
 546                 goto err;
 547
 548         tmp = (tmp >> 0) & 0x0f;
 549
 550         for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++)
 551                 state->af9033_config[i].clock = clock_lut[tmp];
 552
 553         return 0;
 554
 555 err:
 556         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 557
 558         return ret;
 559 }
 560
 561 static int af9035_read_config_it9135(struct dvb_usb_device *d)
 562 {
 563         struct state *state = d_to_priv(d);
 564         int ret, i;
 565         u8 tmp;
 566
 567         state->dual_mode = false;
 568
 569         /* get demod clock */
 570         ret = af9035_rd_reg(d, 0x00d800, &tmp);
 571         if (ret < 0)
 572                 goto err;
 573
 574         tmp = (tmp >> 0) & 0x0f;
 575
 576         for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++)
 577                 state->af9033_config[i].clock = clock_lut_it9135[tmp];
 578
 579         return 0;
 580
 581 err:
 582         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 583
 584         return ret;
 585 }
 586
 587 static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
 588                 int cmd, int arg)
 589 {
 590         int ret;
 591         u8 val;
 592
 593         dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
 594
 595         /*
 596          * CEN     always enabled by hardware wiring
 597          * RESETN  GPIOT3
 598          * RXEN    GPIOT2
 599          */
 600
 601         switch (cmd) {
 602         case TUA9001_CMD_RESETN:
 603                 if (arg)
 604                         val = 0x00;
 605                 else
 606                         val = 0x01;
 607
 608                 ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
 609                 if (ret < 0)
 610                         goto err;
 611                 break;
 612         case TUA9001_CMD_RXEN:
 613                 if (arg)
 614                         val = 0x01;
 615                 else
 616                         val = 0x00;
 617
 618                 ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
 619                 if (ret < 0)
 620                         goto err;
 621                 break;
 622         }
 623
 624         return 0;
 625
 626 err:
 627         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 628
 629         return ret;
 630 }
 631
 632
 633 static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
 634                 int cmd, int arg)
 635 {
 636         int ret;
 637
 638         switch (cmd) {
 639         case FC0011_FE_CALLBACK_POWER:
 640                 /* Tuner enable */
 641                 ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1);
 642                 if (ret < 0)
 643                         goto err;
 644
 645                 ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1);
 646                 if (ret < 0)
 647                         goto err;
 648
 649                 ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1);
 650                 if (ret < 0)
 651                         goto err;
 652
 653                 /* LED */
 654                 ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1);
 655                 if (ret < 0)
 656                         goto err;
 657
 658                 ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1);
 659                 if (ret < 0)
 660                         goto err;
 661
 662                 usleep_range(10000, 50000);
 663                 break;
 664         case FC0011_FE_CALLBACK_RESET:
 665                 ret = af9035_wr_reg(d, 0xd8e9, 1);
 666                 if (ret < 0)
 667                         goto err;
 668
 669                 ret = af9035_wr_reg(d, 0xd8e8, 1);
 670                 if (ret < 0)
 671                         goto err;
 672
 673                 ret = af9035_wr_reg(d, 0xd8e7, 1);
 674                 if (ret < 0)
 675                         goto err;
 676
 677                 usleep_range(10000, 20000);
 678
 679                 ret = af9035_wr_reg(d, 0xd8e7, 0);
 680                 if (ret < 0)
 681                         goto err;
 682
 683                 usleep_range(10000, 20000);
 684                 break;
 685         default:
 686                 ret = -EINVAL;
 687                 goto err;
 688         }
 689
 690         return 0;
 691
 692 err:
 693         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 694
 695         return ret;
 696 }
 697
 698 static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
 699 {
 700         struct state *state = d_to_priv(d);
 701
 702         switch (state->af9033_config[0].tuner) {
 703         case AF9033_TUNER_FC0011:
 704                 return af9035_fc0011_tuner_callback(d, cmd, arg);
 705         case AF9033_TUNER_TUA9001:
 706                 return af9035_tua9001_tuner_callback(d, cmd, arg);
 707         default:
 708                 break;
 709         }
 710
 711         return 0;
 712 }
 713
 714 static int af9035_frontend_callback(void *adapter_priv, int component,
 715                                     int cmd, int arg)
 716 {
 717         struct i2c_adapter *adap = adapter_priv;
 718         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 719
 720         dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
 721                         __func__, component, cmd, arg);
 722
 723         switch (component) {
 724         case DVB_FRONTEND_COMPONENT_TUNER:
 725                 return af9035_tuner_callback(d, cmd, arg);
 726         default:
 727                 break;
 728         }
 729
 730         return 0;
 731 }
 732
 733 static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
 734 {
 735         struct state *state = adap_to_priv(adap);
 736         struct dvb_usb_device *d = adap_to_d(adap);
 737         int ret;
 738
 739         if (!state->af9033_config[adap->id].tuner) {
 740                 /* unsupported tuner */
 741                 ret = -ENODEV;
 742                 goto err;
 743         }
 744
 745         if (adap->id == 0) {
 746                 state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
 747                 state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;
 748
 749                 ret = af9035_wr_reg(d, 0x00417f,
 750                                 state->af9033_config[1].i2c_addr);
 751                 if (ret < 0)
 752                         goto err;
 753
 754                 ret = af9035_wr_reg(d, 0x00d81a,
 755                                 state->dual_mode);
 756                 if (ret < 0)
 757                         goto err;
 758         }
 759
 760         /* attach demodulator */
 761         adap->fe[0] = dvb_attach(af9033_attach,
 762                         &state->af9033_config[adap->id], &d->i2c_adap);
 763         if (adap->fe[0] == NULL) {
 764                 ret = -ENODEV;
 765                 goto err;
 766         }
 767
 768         /* disable I2C-gate */
 769         adap->fe[0]->ops.i2c_gate_ctrl = NULL;
 770         adap->fe[0]->callback = af9035_frontend_callback;
 771
 772         return 0;
 773
 774 err:
 775         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 776
 777         return ret;
 778 }
 779
 780 static struct tua9001_config af9035_tua9001_config = {
 781         .i2c_addr = 0x60,
 782 };
 783
 784 static const struct fc0011_config af9035_fc0011_config = {
 785         .i2c_address = 0x60,
 786 };
 787
 788 static struct mxl5007t_config af9035_mxl5007t_config = {
 789         .xtal_freq_hz = MxL_XTAL_24_MHZ,
 790         .if_freq_hz = MxL_IF_4_57_MHZ,
 791         .invert_if = 0,
 792         .loop_thru_enable = 0,
 793         .clk_out_enable = 0,
 794         .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
 795 };
 796
 797 static struct tda18218_config af9035_tda18218_config = {
 798         .i2c_address = 0x60,
 799         .i2c_wr_max = 21,
 800 };
 801
 802 static const struct fc2580_config af9035_fc2580_config = {
 803         .i2c_addr = 0x56,
 804         .clock = 16384000,
 805 };
 806
 807 static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
 808 {
 809         struct state *state = adap_to_priv(adap);
 810         struct dvb_usb_device *d = adap_to_d(adap);
 811         int ret;
 812         struct dvb_frontend *fe;
 813
 814         switch (state->af9033_config[adap->id].tuner) {
 815         case AF9033_TUNER_TUA9001:
 816                 /* AF9035 gpiot3 = TUA9001 RESETN
 817                    AF9035 gpiot2 = TUA9001 RXEN */
 818
 819                 /* configure gpiot2 and gpiot2 as output */
 820                 ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
 821                 if (ret < 0)
 822                         goto err;
 823
 824                 ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
 825                 if (ret < 0)
 826                         goto err;
 827
 828                 ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
 829                 if (ret < 0)
 830                         goto err;
 831
 832                 ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
 833                 if (ret < 0)
 834                         goto err;
 835
 836                 /* attach tuner */
 837                 fe = dvb_attach(tua9001_attach, adap->fe[0],
 838                                 &d->i2c_adap, &af9035_tua9001_config);
 839                 break;
 840         case AF9033_TUNER_FC0011:
 841                 fe = dvb_attach(fc0011_attach, adap->fe[0],
 842                                 &d->i2c_adap, &af9035_fc0011_config);
 843                 break;
 844         case AF9033_TUNER_MXL5007T:
 845                 ret = af9035_wr_reg(d, 0x00d8e0, 1);
 846                 if (ret < 0)
 847                         goto err;
 848                 ret = af9035_wr_reg(d, 0x00d8e1, 1);
 849                 if (ret < 0)
 850                         goto err;
 851                 ret = af9035_wr_reg(d, 0x00d8df, 0);
 852                 if (ret < 0)
 853                         goto err;
 854
 855                 msleep(30);
 856
 857                 ret = af9035_wr_reg(d, 0x00d8df, 1);
 858                 if (ret < 0)
 859                         goto err;
 860
 861                 msleep(300);
 862
 863                 ret = af9035_wr_reg(d, 0x00d8c0, 1);
 864                 if (ret < 0)
 865                         goto err;
 866                 ret = af9035_wr_reg(d, 0x00d8c1, 1);
 867                 if (ret < 0)
 868                         goto err;
 869                 ret = af9035_wr_reg(d, 0x00d8bf, 0);
 870                 if (ret < 0)
 871                         goto err;
 872                 ret = af9035_wr_reg(d, 0x00d8b4, 1);
 873                 if (ret < 0)
 874                         goto err;
 875                 ret = af9035_wr_reg(d, 0x00d8b5, 1);
 876                 if (ret < 0)
 877                         goto err;
 878                 ret = af9035_wr_reg(d, 0x00d8b3, 1);
 879                 if (ret < 0)
 880                         goto err;
 881
 882                 /* attach tuner */
 883                 fe = dvb_attach(mxl5007t_attach, adap->fe[0],
 884                                 &d->i2c_adap, 0x60, &af9035_mxl5007t_config);
 885                 break;
 886         case AF9033_TUNER_TDA18218:
 887                 /* attach tuner */
 888                 fe = dvb_attach(tda18218_attach, adap->fe[0],
 889                                 &d->i2c_adap, &af9035_tda18218_config);
 890                 break;
 891         case AF9033_TUNER_FC2580:
 892                 /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on  */
 893                 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
 894                 if (ret < 0)
 895                         goto err;
 896
 897                 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
 898                 if (ret < 0)
 899                         goto err;
 900
 901                 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
 902                 if (ret < 0)
 903                         goto err;
 904
 905                 usleep_range(10000, 50000);
 906                 /* attach tuner */
 907                 fe = dvb_attach(fc2580_attach, adap->fe[0],
 908                                 &d->i2c_adap, &af9035_fc2580_config);
 909                 break;
 910         default:
 911                 fe = NULL;
 912         }
 913
 914         if (fe == NULL) {
 915                 ret = -ENODEV;
 916                 goto err;
 917         }
 918
 919         return 0;
 920
 921 err:
 922         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 923
 924         return ret;
 925 }
 926
 927 static int af9035_init(struct dvb_usb_device *d)
 928 {
 929         struct state *state = d_to_priv(d);
 930         int ret, i;
 931         u16 frame_size = 87 * 188 / 4;
 932         u8  packet_size = 512 / 4;
 933         struct reg_val_mask tab[] = {
 934                 { 0x80f99d, 0x01, 0x01 },
 935                 { 0x80f9a4, 0x01, 0x01 },
 936                 { 0x00dd11, 0x00, 0x20 },
 937                 { 0x00dd11, 0x00, 0x40 },
 938                 { 0x00dd13, 0x00, 0x20 },
 939                 { 0x00dd13, 0x00, 0x40 },
 940                 { 0x00dd11, 0x20, 0x20 },
 941                 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
 942                 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
 943                 { 0x00dd0c, packet_size, 0xff},
 944                 { 0x00dd11, state->dual_mode << 6, 0x40 },
 945                 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
 946                 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
 947                 { 0x00dd0d, packet_size, 0xff },
 948                 { 0x80f9a3, 0x00, 0x01 },
 949                 { 0x80f9cd, 0x00, 0x01 },
 950                 { 0x80f99d, 0x00, 0x01 },
 951                 { 0x80f9a4, 0x00, 0x01 },
 952         };
 953
 954         dev_dbg(&d->udev->dev, "%s: USB speed=%d frame_size=%04x " \
 955                         "packet_size=%02x\n", __func__,
 956                         d->udev->speed, frame_size, packet_size);
 957
 958         /* init endpoints */
 959         for (i = 0; i < ARRAY_SIZE(tab); i++) {
 960                 ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
 961                                 tab[i].mask);
 962                 if (ret < 0)
 963                         goto err;
 964         }
 965
 966         return 0;
 967
 968 err:
 969         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 970
 971         return ret;
 972 }
 973
 974 static int af9035_rc_query(struct dvb_usb_device *d)
 975 {
 976         unsigned int key;
 977         unsigned char b[4];
 978         int ret;
 979         struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, b };
 980
 981         ret = af9035_ctrl_msg(d, &req);
 982         if (ret < 0)
 983                 goto err;
 984
 985         if ((b[2] + b[3]) == 0xff) {
 986                 if ((b[0] + b[1]) == 0xff) {
 987                         /* NEC */
 988                         key = b[0] << 8 | b[2];
 989                 } else {
 990                         /* ext. NEC */
 991                         key = b[0] << 16 | b[1] << 8 | b[2];
 992                 }
 993         } else {
 994                 key = b[0] << 24 | b[1] << 16 | b[2] << 8 | b[3];
 995         }
 996
 997         rc_keydown(d->rc_dev, key, 0);
 998
 999 err:
1000         /* ignore errors */
1001         return 0;
1002 }
1003
1004 static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
1005 {
1006         int ret;
1007         u8 tmp;
1008
1009         ret = af9035_rd_reg(d, EEPROM_IR_MODE, &tmp);
1010         if (ret < 0)
1011                 goto err;
1012
1013         dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp);
1014
1015         /* don't activate rc if in HID mode or if not available */
1016         if (tmp == 5) {
1017                 ret = af9035_rd_reg(d, EEPROM_IR_TYPE, &tmp);
1018                 if (ret < 0)
1019                         goto err;
1020
1021                 dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp);
1022
1023                 switch (tmp) {
1024                 case 0: /* NEC */
1025                 default:
1026                         rc->allowed_protos = RC_BIT_NEC;
1027                         break;
1028                 case 1: /* RC6 */
1029                         rc->allowed_protos = RC_BIT_RC6_MCE;
1030                         break;
1031                 }
1032
1033                 rc->query = af9035_rc_query;
1034                 rc->interval = 500;
1035
1036                 /* load empty to enable rc */
1037                 if (!rc->map_name)
1038                         rc->map_name = RC_MAP_EMPTY;
1039         }
1040
1041         return 0;
1042
1043 err:
1044         dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1045
1046         return ret;
1047 }
1048
1049 /* interface 0 is used by DVB-T receiver and
1050    interface 1 is for remote controller (HID) */
1051 static const struct dvb_usb_device_properties af9035_props = {
1052         .driver_name = KBUILD_MODNAME,
1053         .owner = THIS_MODULE,
1054         .adapter_nr = adapter_nr,
1055         .size_of_priv = sizeof(struct state),
1056
1057         .generic_bulk_ctrl_endpoint = 0x02,
1058         .generic_bulk_ctrl_endpoint_response = 0x81,
1059
1060         .identify_state = af9035_identify_state,
1061         .firmware = AF9035_FIRMWARE_AF9035,
1062         .download_firmware = af9035_download_firmware,
1063
1064         .i2c_algo = &af9035_i2c_algo,
1065         .read_config = af9035_read_config,
1066         .frontend_attach = af9035_frontend_attach,
1067         .tuner_attach = af9035_tuner_attach,
1068         .init = af9035_init,
1069         .get_rc_config = af9035_get_rc_config,
1070
1071         .num_adapters = 1,
1072         .adapter = {
1073                 {
1074                         .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
1075                 }, {
1076                         .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
1077                 },
1078         },
1079 };
1080
1081 static const struct dvb_usb_device_properties it9135_props = {
1082         .driver_name = KBUILD_MODNAME,
1083         .owner = THIS_MODULE,
1084         .adapter_nr = adapter_nr,
1085         .size_of_priv = sizeof(struct state),
1086
1087         .generic_bulk_ctrl_endpoint = 0x02,
1088         .generic_bulk_ctrl_endpoint_response = 0x81,
1089
1090         .identify_state = af9035_identify_state,
1091         .firmware = AF9035_FIRMWARE_IT9135,
1092         .download_firmware = af9035_download_firmware_it9135,
1093
1094         .i2c_algo = &af9035_i2c_algo,
1095         .read_config = af9035_read_config_it9135,
1096         .frontend_attach = af9035_frontend_attach,
1097         .tuner_attach = af9035_tuner_attach,
1098         .init = af9035_init,
1099         .get_rc_config = af9035_get_rc_config,
1100
1101         .num_adapters = 1,
1102         .adapter = {
1103                 {
1104                         .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
1105                 }, {
1106                         .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
1107                 },
1108         },
1109 };
1110
1111 static const struct usb_device_id af9035_id_table[] = {
1112         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
1113                 &af9035_props, "Afatech AF9035 reference design", NULL) },
1114         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000,
1115                 &af9035_props, "Afatech AF9035 reference design", NULL) },
1116         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001,
1117                 &af9035_props, "Afatech AF9035 reference design", NULL) },
1118         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002,
1119                 &af9035_props, "Afatech AF9035 reference design", NULL) },
1120         { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003,
1121                 &af9035_props, "Afatech AF9035 reference design", NULL) },
1122         { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK,
1123                 &af9035_props, "TerraTec Cinergy T Stick", NULL) },
1124         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835,
1125                 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
1126         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835,
1127                 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
1128         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867,
1129                 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
1130         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867,
1131                 &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
1132         { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR,
1133                 &af9035_props, "AVerMedia Twinstar (A825)", NULL) },
1134         { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
1135                 &af9035_props, "Asus U3100Mini Plus", NULL) },
1136         { }
1137 };
1138 MODULE_DEVICE_TABLE(usb, af9035_id_table);
1139
1140 static struct usb_driver af9035_usb_driver = {
1141         .name = KBUILD_MODNAME,
1142         .id_table = af9035_id_table,
1143         .probe = dvb_usbv2_probe,
1144         .disconnect = dvb_usbv2_disconnect,
1145         .suspend = dvb_usbv2_suspend,
1146         .resume = dvb_usbv2_resume,
1147         .reset_resume = dvb_usbv2_reset_resume,
1148         .no_dynamic_id = 1,
1149         .soft_unbind = 1,
1150 };
1151
1152 module_usb_driver(af9035_usb_driver);
1153
1154 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1155 MODULE_DESCRIPTION("Afatech AF9035 driver");
1156 MODULE_LICENSE("GPL");
1157 MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
1158 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135);